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| n | a(n) |
|---|---|
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 5 |
| 8 | 7 |
| 9 | 10 |
| 10 | 13 |
| 11 | 18 |
| 12 | 22 |
| 13 | 29 |
| 14 | 35 |
| 15 | 43 |
| 16 | 51 |
| 17 | 63 |
| 18 | 72 |
| 19 | 87 |
| 20 | 99 |
| 21 | 115 |
| 22 | 130 |
| 23 | 152 |
| 24 | 168 |
| 25 | 193 |
| 26 | 214 |
| 27 | 241 |
| 28 | 265 |
| 29 | 300 |
| 30 | 324 |
| 31 | 364 |
| 32 | 396 |
| 33 | 436 |
| 34 | 472 |
| 35 | 520 |
| 36 | 556 |
| 37 | 613 |
| 38 | 658 |
| 39 | 714 |
| 40 | 762 |
| 41 | 832 |
| 42 | 880 |
| 43 | 957 |
| 44 | 1017 |
| 45 | 1089 |
| 46 | 1155 |
| 47 | 1247 |
| 48 | 1311 |
| 49 | 1409 |
[1,2,3,5,7,10,13,18,22,29,35,43,51,63,72,87,99, 115,130,152,168,193,214,241,265,300,324,364,396, 436,472,520,556,613,658,714,762,832,880,957,1017, 1089,1155,1247,1311,1409] |